Network Working Group J. Kempf
Request for Comments: 4065 DoCoMo Labs USA
Category: Experimental July 2005
Instructions for Seamoby and
Experimental Mobility Protocol IANA Allocations
Status of This Memo
This memo defines an Experimental Protocol for the Internet
community. It does not specify an Internet standard of any kind.
Discussion and suggestions for improvement are requested.
Distribution of this memo is unlimited.
Copyright Notice
Copyright (C) The Internet Society (2005).
Abstract
The Seamoby Candidate Access Router Discovery (CARD) protocol and the
Context Transfer Protocol (CXTP) are experimental protocols designed
to accelerate IP handover between wireless access routers. These
protocols require IANA allocations for ICMP type and options, Stream
Control Transmission Protocol (SCTP) Payload Protocol Identifiers,
port numbers, and registries for certain formatted message options.
This document contains instructions to IANA about which allocations
are required for the Seamoby protocols. The ICMP subtype extension
format for Seamoby has been additionally designed so that it can be
utilized by other experimental mobility protocols, and the SCTP port
number is also available for other experimental mobility protocols.
Kempf Experimental [Page 1]RFC 4065 Seamoby IANA Allocations July 2005Table of Contents
1. Introduction.................................................. 2
2. Common IPv4 and IPv6 Allocations.............................. 2
3. IPv4 Allocations.............................................. 3
4. IPv6 Allocations.............................................. 3
5. Candidate Access Router Discovery Protocol Registries......... 3
6. Context Transfer Profile Type Registry........................ 5
7. Context Transfer Protocol Authorization Token Calculation
Algorithm..................................................... 5
8. ICMP Experimental Mobility Subtype Format and Registry........ 5
9. Utilization by Other Experimental Mobility Protocols.......... 6
10. Normative References.......................................... 6
11. Security Considerations....................................... 7
12. IANA Considerations........................................... 7
1. Introduction
The Seamoby Candidate Access Router Discovery (CARD) protocol
[RFC4066] and the Context Transfer Protocol (CXTP) [RFC4067] are
experimental protocols designed to accelerate IP handover between
wireless access routers. These protocols require IANA allocations
for ICMP options and type, SCTP Payload Protocol Identifiers, port
numbers, and the establishment of registries for certain formatted
message options. Because the protocols are experimental, there is no
guarantee that they will ever see widespread deployment in their
current form. Consequently, it is prudent to conserve Internet
numbering resources that might be needed for other protocols that
could see wider deployment. This document contains instructions to
IANA for the Seamoby protocols. Additionally, the ICMP subtype
extension format has been designed so that it could be used by other
experimental mobility protocols.
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
document are to be interpreted as described in RFC 2119 [RFC2119].
Allocation policy names Specification Required, IETF Consensus
Action, and Designated Expert are to be interpreted as described in
RFC 2434 [RFC2434].
2. Common IPv4 and IPv6 Allocations
IANA has assigned SCTP port numbers 5090 for use by [RFC4066] and
5091 for use of [RFC4067]. See Section 5.2.1 of [RFC4066] for a
description of the inter-access router CARD protocol use of SCTP, and
Section 3.1 of [RFC4067] for a description of the inter-access router
CXTP use of SCTP.
Kempf Experimental [Page 2]RFC 4065 Seamoby IANA Allocations July 20053. IPv4 Allocations
IANA has assigned ICMP type 41 for IPv4 identifying ICMP messages
utilized by experimental mobility protocols such as Seamoby. See
Section 5.1.1 of [RFC4066] for a description of experimental mobility
CARD ICMP messages and Section 3.2 of [RFC4067] for the CXTP ICMP